baber/WOPTO huggingface dataset:
Patent GB-990825-A (GB)
Title: Improvements in or relating to conveyors for cans and the like
IPC: B65G17/40
Filed: 1961-12-12
Abstract: 990,825. Conveyers. D. W. BINGHAM & CO. PROPRIETARY Ltd. Dec. 12, 1961 [Dec. 12, 1960], No. 44467/61. Heading B8A. Cans 4 are transferred from an endless feed conveyer 2 to a main conveyer 17 by a screw conveyer 8 which spaces the cans and by a rotatable spider wheel 18 which cooperates with an endless conveyer 24. As each can leaves the feed conveyer 2 and enters a slideway 11, a V-shaped gap is provided between adjoining cans sufficient to receive the the leading end portion of a helical rib 14 formed by a pair of rods of which the spacing increases as they approach the discharge end of the slideway 11 and screw conveyer. The spacing of the cans is thus also increased before they are picked up by the spider wheel 18 which comprises a pair of plates 15 provided with can seats 19. The cans are deposited on a skid plate 22 from where they are transferred by the discharge conveyer 24 to the main conveyer 17. The tendency for the cans to topple backwardly towards the spider wheel as the discharge conveyer engages them is. counteracted by overhanging portions of side walls 21 of the can seats, the tops of the cans being given a side thrust in the same direction of movement as that of the discharge conveyer.
Patent GB-985739-A (GB)
Title: Fuel injector for a gas turbine engine
Inventor: CARLISLE DENIS RICHARD
IPC: F23D17/00
Filed: 1963-11-11
Abstract: 985,739. Fuel injectors for gas turbine engines. ROLLS-ROYCE Ltd. Nov. 11, 1963, No. 44479/63. Heading F4T. A fuel injector for a gas turbine engine comprises a pilot fuel nozzle 20 disposed concentrically in a main fuel nozzle 21 disposed concentrically in an outer fuel nozzle 22, an air shroud 25 mounted about and spaced from the outer nozzle 22 by means of vanes 17, and a baffle plate 18 supported from the shroud 25 by means of vanes 19, the fuel emitted by the nozzles 20, 21, 22 passing through the shroud simultaneously with a flow of air, and passing between the shroud 25 and the baffle plate 18. The baffle plate 18 is conical and coaxial with the fuel nozzles. The outer nozzle 22 provides an annular outlet for fuel gas supplied from a duct 31 in which are disposed ducts 33, 34 supplying liquid fuel to the pilot and main fuel nozzles 20, 21. The pilot fuel nozzle 20 is provided with drillings 23, and the main fuel nozzle 21 is provided with drillings 27. The air shroud is concentrically surrounded by a swirl vane 26.
Patent GB-1191499-A (GB)
Title: Production of Aromatic Polyesters
Inventor: REID JAMES ANGUS WILSON
IPC: C08G63/181
Filed: 1967-09-29
Abstract: 1,191,499. Aromatic polyesters. IMPERIAL CHEMICAL INDUSTRIES Ltd. 9 Sept., 1968 [29 Sept., 1967 (2)], Nos. 44478/67 and 44479/67. Heading C3R. Normally grey polyesters made by the polycondensation of a bis-ethylene glycol ester of an aromatic dicarboxylic acid, with a trivalent antimony catalyst (e.g. antimony oxide), are made white by carrying out the polycondensation in the presence of a diol of formula where R 1 , R 2  and R 3  are H or monovalent hydrocarbon groups, or R 1  and R 2  together form a divalent hydrocarbon group containing up to 3 carbon atoms, of formula -(CH 2 ) n - joining the carbon atoms carrying the -OH groups, and n = 1 or 2. The diol may be added at the commencement or during the reaction leading to the formation of the bis-ester, or at the beginning of or during the polycondensation reaction, and is used in an amount which is 0À01 to 15 mole per cent (based on the bis-ethylene glycol ester. Diols specified are: propane-1,2- diol, butane-2,3-diol, propane-1,3-diol, butane- 1,3-diol, cyclohexane-1,3-diol, octane-1,2-diol, pentane-2,3-diol, 2-n-hexylpropane-1,3-diol, 1- benzylethylene glycol, 4-methyl pentane-1,2- diol, 3-methylbutane-1,2-diol and hexane-1,2- diol. The colour is further improved if phosphorus-containing stabilizers are present during the polycondensation. Examples describe the manufacture of polyethyleneterephthalate from dimethylterephthalate, ethylene glycol and one of the above diols.
Patent GB-1121547-A (GB)
Title: Method of coating bodies by rotation in a fluidised bed of particles
Inventor: LAVLAN JEAN MICHEL
IPC: B05D1/00
Filed: 1965-10-20
Abstract: A body having a surface with projecting and recessed portions is coated by immersion in a fluidised bed of synthetic polymeric material in powder form, the temperature of the body at the time of immersion being high enough to cause agglomeration by fusion of the powder particles, the immersed body being rotated about an axis, withdrawing the coated body from the fluidised bed, and rotating the body at a sufficiently increased speed to exert a centrifugal transfer of the coating material while it is plastic from recessed portions of the body to projecting portions to obtain a coating of uniform thickness or extra thickness in the portions in relief.  The polymeric material may be thermosetting or thermoplastic resins. Thermosetting resins mentioned include epoxy, polyester, silicone resins, formophenolic prepolymers. Thermoplastic resins mentioned include polyvinyl chloride, copolymers of vinyl chloride, acetate, polystyrene, polyethylene, polypropylene, ethylene-propylene copolymers, polyamides, linear polyesters, 1, 3-butadiene-styrene or isoolefine copolymers, and fluorinated thermoplastic resins.  They may have fillers, stabilisers, pigments and plasticizers incorporated.  Permanent or temporary coatings may be formed on bodies such as ringed pipes, gearwheels, worms, screws for conveying corrosive liquid or solid products.  Hollow articles comprising ribs or corrugations e.g. ringed tubes may be manufactured by using as the rotatable body say a metal mandrel to which any desired mould release agent e.g. silicone oil is applied before it is introduced into the polymeric material.  In the Example, a ringed steel mandrel pretreated with a film of silicone oil is coated with polyvinyl chloride containing butyl phthalate as plasticizer. Release of the tube from the mandrel is effected by injection of compressed air between the plastics coating and the mandrel.
Patent GB-958187-A (GB)
Title: Clamping mechanism for lift trucks
IPC: B66F9/18
Filed: 1962-11-23
Abstract: 958,187. Clamping attachments for lift trucks. CLARK EQUIPMENT CO. Nov. 23, 1962 [Dec. 21, 1961], No. 44490/62. Heading B8H.  A roll-clamping attachment for a lift truck comprises a pair of clamp arms 40, 42 provided with cylindrical bearing members slidably mounted in tubular members secured in a baseplate 34 which is rotatable under the action of double-acting hydraulic rams 30, 32 on the lifting carriage 24. As shown, the clamp arm 40 is pivotally connected by pins 125, 126 to arms 64, 66 secured to a torsion tube 44 to which brakes 46, 48, provided with cylindrical bearing members 50, 52, 62, 63, are secured. The bearing members are slidable, under the action of a double-acting hydraulic ram 100, 104 in tubes 86, 88 mounted on the base member 34. The clamp arm 42 is rigidly secured to a plate 72 provided with brackets 74, 76 having bearing members 78-81 slidable in tubes 94, 96 under the action of a double-acting hydraulic ram 102, 108. The clamp arm 40 is provided with rollers 130, 134 which engage cam blocks 136, secured to the base member 34, to hold the arm at its outward limit of pivotal movement until the arm is moved inwardly by the ram 100, 104 sufficiently to allow the rollers to run off the cam blocks and then engage cams 144, 145 whereafter, further inward movement of the arm causes inward pivotal movement of the arm about the pins 125, 126. The clamp arms are provided with pivoted pads 164, 166, and rods 170 are provided, each pivoted at one end to a pad and at its other end being slidable in tracks in the clamp arm.
Patent GB-1435792-A (GB)
Title: Oxime ethers of norethindrone
IPC: C07J/
Filed: 1973-09-24
Abstract: 1435792 Norethindrone oxime ethers WARNER-LAMBERT CO 24 Sept 1973 [26 Sept 1972] 44614/73 Heading C2U The invention comprises compounds of formula (wherein R is C 1-9  alkyl, C 2-9  alkenyl, C 2-9  alkynyl or C 3-9  cycloalkyl) and the 17-esters thereof; and their preparation (i) from norethindrone by reaction with a salt of RONH 2  under basic conditions; or (ii) from norethindrone oxime by reaction with RX (X = halo) in the presence of a condensation agent. The product may be resolved into syn and anti isomers by fractional crystallization or chromatography, and a 17- hydroxy group may be esterified. Cyclopentyl bromide + ethyl N-hydroxyearbamate -# ethyl N-(cyclopentyloxy)carbamate -# cyclopentyloxyamine -# cyclopentyloxyamine hydrochloride. Oral contraceptive compositions comprise an inventive compound and a carrier. Compound I (R = cyclopentyl) is also credited with antiestrogenic and antiestral properties.
Patent GB-1161743-A (GB)
Title: Improvements in or relating to signalling and communication systems
Inventor: WATTENBURG WILLARD HARVEY
IPC: H04B3/54
Filed: 1966-10-06
Abstract: 1,161,743. Signalling over power circuits. W. H. WATTENBURG. 6 Oct., 1966 [24 Oct., 1965], No. 44629/66. Heading H4R. In a system for signalling over power circuits the transmitter comprises a power absorbing device which is connected so as to absorb power from the line at a frequency different from the power supply frequency and at an amplitude modulated by the power supply frequency. The transmitter may comprise, Fig. 2, a multivibrator 27 oscillating at 17 kc/s. to switch transistor 26 between its bottoming and cut-off conditions. The transistor 26 is connected in series with the parallel connected resistor 24 and capacitor 23 across the power supply line via a sensing device which is rendered conductive when signalling is to commence, e.g. on operation of a burglar alarm or fire detector. The signal produced on the line comprises a burst of 17 kc/s. during each positive half-cycle of the power supply waveform. The receiver for the signal comprises, Fig. 10, a 17 kc/s. filter 17 feeding a first detector and amplifier 47 which feeds, via a low-pass filter, an amplifier 56 tuned to the supply frequency. The resulting signal passes via a second detector 57 and an integrator to a current amplifier 62 which, on the arrival of a signal causes the S.C.R. 111 to fire to operate the appropriate alarm or indicator circuits.
Patent GB-1477155-A (GB)
Title: System for automatic frequency control
IPC: H03D9/02
Filed: 1974-10-16
Abstract: 1477155 Automatic frequency control THOMSON-CSF 16 Oct 1974 [25 June 1974] 44851/74 Heading H3A A system for synchronizing an oscillator O 1  to a pulsed carrier signal, e.g. a varying frequency radar, applied at terminal A comprises: means for measuring and storing a parameter characteristic of the carrier frequency value during a pulse; means for measuring the same parameter of the oscillator frequency; means Cp for comparing, during the interval between pulses, the second measured parameter with the stored value of the first measured parameter; and means for controlling the oscillator frequency as a function of the result of the comparison. In the embodiment of Fig. 5 the two parameter measurements are made by the same frequency discriminator, D 1 . During the carrier pulse this discriminator has its input connected to the signal received at A by switch SW 1  and its output connected to store M 1  by switch SW 1 . During the interval between pulses the switches SW 1 , SW 2  connect it between the oscillator O 1  and one input of comparator Cp, the store M 1  being connected to the other input. Alternatively, Fig. 1 (not shown), separate discriminators may be used. The correct i.f. frequency separation between the signal at A and the oscillator signal may be obtained by means of frequency changers X 1 , X 2  which receive second inputs from further oscillators O 2 , O 4 . The signal from frequency changer X 1  is also applied to a second frequency discriminator D 2  which produces an output fed via integrator In to control the frequency of oscillator O 4 . In a modification, Fig. 6 (not shown), this second discriminator is omitted, and the control is derived from the store M 1 . In a further modification, Fig. 4 (not shown), the effect of charge loss in the store M 1  is reduced by replacing the discriminator D 1  by two discriminators (d 1 , d 2 ) feeding separate stores (M 1 , M 2 ) via separate switches (SW 2 a, SW 2 b) and feeding the comparator Cp with the difference between the two stored values. In a further modification, Fig. 7 (not shown), the signal A is derived from a magnetron, (K), which provides a coarse control signal for oscillator O 4  which is added to the output of integrator In by means of an adder (Ad). In a further modification, Fig. 9 (not shown), switches SW 1 , SW 2  are omitted and instead the supply to frequency changer X 2  is switched on or off as required. Suitable frequency/voltage converters are described, Figs. 10, 12 (not shown), and a suitable gain control circuit for them is also described, Fig. 11 (not shown).
Patent GB-1362253-A (GB)
Title: Stern tube bearing assembly for a propeller shaft supported by  a spherical roller bearing
IPC: B63H23/36
Filed: 1971-09-28
Abstract: 1362253 Bearings SKF INDUSTRIAL TRADING & DEVELOPMENT CO BV 28 Sept 1971 [29 Sept 1970] 45156/71 Heading F2A A roller bearing assembly is mounted by means of an expanding sleeve comprising two interacting clamping sleeves 10a, 10b which have tapered mating surfaces such that under relative axial movement the sleeves are elastically deformed so that the outside diameter of the expanding sleeve increases, and its bore decreases. Relative movement of the sleeves is brought about by supply of hydraulic fluid to either of cavities 22, 23. A locking screw 35 is provided. The invention is applicable to a stern tube and propeller shaft bearing assembly.
Patent GB-1122875-A (GB)
Title: Improvements in and relating to generating an ultra-high vacuum
IPC: H01J9/38
Filed: 1966-10-11
Abstract: 1,122,875. Producing a vacuum. BALZERS PATENT-UND LIZENZ ANSTALT. Oct. 11, 1966 [Sept. 22, 19661, No. 45293/66. Headings F1E and F1N. A receptacle 1 is evacuated by a sorption pump 2 and a series connected diffusion pump 3, and an adjustable throttle 5 is disposed between the pumps so that the effective suction capacity of the diffusion pump can be reduced to prevent backstreaming when the pressure in the receptacle 1 is of a low order. The diffusion pump is provided with a water cooled trap 4. The sorption pump 2 comprises a number of electrically heated metal getter wires 14 disposed between two liquefied gas cooled sorption surfaces 12, 13 on which the evaporated getter metal is deposited.
Patent GB-1199947-A (GB)
Title: Sheet-Receiving Tray
IPC: B65H31/14
Filed: 1967-10-05
Abstract: 1,199,947. Sheet-receiving tray. RANK XERON Ltd. 5 Oct., 1967 [11 Oct., 1966], No. 45382/67. Heading B8R. A tray for receiving and storing sheets comprises a shelf located at the bottom of the tray with its rear portion elevated above the bottom of the tray and movable downwards as the sheets are stacked, and a flexible member which extends above the position where the sheets enter the rear of the tray, and guides sheets into the stack without curling. Fig. 1 is a side elevation of such apparatus incorporated in the delivery end of an office copier. Sheet-transporting.-Sheets are delivered from an office copier by belts 4 provided with vacuum means which release the sheets as they pass over roller 9 under baffle 6. Cutting means.-The sheets may be longitudinally slit or perforated by means of a rotary cutter blade 20 co-operating with a backing roller 22. Sheet-receiver.-The receiver 12 is provided with an angled bottom portion 7 and a laterally movable front retaining wall 62 which has slots therein to aid removal of a stack (Fig. 2, not shown). Pivoted to the stack bottom 7 at 42, is a shell 40, which is elevated at the rear thereof, and can be depressed under the weight of a stack against the action of spring 44 coiled about plunger 48 received in a mounting 46 attached to the stack bottom 7. Spacers 54 are laterally movable in the tray 12 to receive sheets slit by cutter 20, and a flexible strip 28 is provided for each of the thus formed compartments to guide a sheet on to the stack and prevent it from curling.
Patent GB-1240397-A (GB)
Title: Method and device for conveying workpieces
Inventor: KOVAC ANDREJ
IPC: B23Q7/02
Filed: 1969-09-16
Abstract: 1,240,397. Work transfer; indexing. VUMA VYSKUMNY USTAV MECHANIZACIE A AUTOMATIZACIE. 16 Sept., 1969, No. 45584/69. Heading B3B. In a machine tool a workpieces transfer device comprises a turret 8 having tool holders 9 thereon, a re-circulating turret 13, a first work transfer means 12, a second work transfer means 11, a hopper 4 for supplying the workpieces to a shoot 18 and a gate 2, and an inter-meshing gear drive 14 for the indexing members 8, 13, 11, 12. The number of work clamping jaws on each turret is equal to the number of working tools. In operation, a workpiece is fed up to gate 2, turret 13 rotates anticlockwise until a pin on the turret actuates the gate and the workpiece drops into a jaw 136 in turret 13. The workpiece is picked up by a jaw P in transfer device 12 and transferred during clockwise rotation to a clamping seat 21 in turret 8. Tool 81 operates on the workpiece whilst turret 8 rotates in an anticlockwise direction. The workpiece is removed by a jaw 111 of transfer device 11 which rotates clockwise and passes the workpiece to jaws 131 of turret 13, displaced by one position in this turret. The workpiece is now transferred from jaws 131 by jaws 121 to seat 21 of tool 82 and back again to a further displaced position in turret 13. The operation is repeated until the workpiece has been operated on by each of the tools 81-86, whereupon it is passed to a discharge unit 19. If required, the workpiece can be discharged at any stage, and up to six workpieces can be operated on at the same time.
Patent GB-1241502-A (GB)
Title: Gels and process for preparing the same
IPC: C09K17/50
Filed: 1969-09-16
Abstract: 1,241,502. Lignosulphonate gels. G. A. SERLACHIUS LIELAHTI OY. 16 Sept., 1969 [27 Sept., 1968], No. 45640/69. Heading C2C. [Also in Divisions C3 and E1] A substantially water-insoluble gel is obtained by forming a substantially stable chromiumwaste sulphite liquor product comprising reacting together at pH 6 or above a sulphite waste-liquor-containing material or material containing any modifications thereof with at least one Cr compound selected from chromic acid, chromates or dichromates, and coagulating said dried product in solution with acid or acid-reacting substance. Preferred acid-reacting substances are salts of multi-valent metals. A pre-activated product only requiring the addition of water is obtained by dry blending a solid coagulating agent with the chromium/ sulphite liquor complex. An example is given in which a coniferous sulphite waste liquor concentrate reacted with Na 2 Cr 2 O 7 .2H 2 0 and coagulated with AlCl 3  or FeCl 3 . These gels are useful for rendering ground formations impervious to liquids and gases.
Patent GB-1085025-A (GB)
Title: Improvements in or relating to apparatus adapted for use in handling adhesive composition
IPC: B05C1/16
Filed: 1964-11-10
Abstract: 1,085,025. Adhesive applying apparatus. BOSTIK Ltd. Nov. 10, 1964 [Nov. 12, 1963], No. 45686/64. Heading D1L. Apparatus for applying thermoplastic adhesive composition to successive discrete areas of a workpiece comprises a casing 10 having a recess 12, a heating device to heat the casing, an applying wheel 14 mounted for rotation in the recess with a portion of the wheel protruding from the recess and having indentations 160 in its circumferential surface, a metering bar 30 engaging the surface of wheel 14, the bar 30, the surface of wheel 14 and the recess 12 bounding a cavity 18, and a supplying device 8 adapted to supply adhesive composition to the cavity and comprising means by which the rate of supply may be varied. Sheet S, is fed over drum 92 by protrusions 97 to the wheel 14 which deposits spots of adhesive from indentation 160 on the sheet, and thence to drum 90. A further shreet S 2  together with a strip C of carbon paper is fed on to drum 90 and the arrangement is such that one line of adhesive spots adheres sheet S 1  to the carbon strip and another line of spots adheres the sheet S 1  to sheet S 2  with the carbon strip therebetween. The adhesive is fed in rod form R by feed wheels 60, 62 to the heated block 10 and thence by arcuate passage 50 to an outlet in the recess 12 in the vicinity 47. The feed wheels 60, 62 are rotated from the machine drive through eccentric 140, connecting rod 144 arm 146 and a one way clutch mechanism on shaft 66. Thus by adjusting the eccentric and/or the connection 152 between arm 146 and rod 144 the rate of feed of adhesive can be varied. Increase in the rate of feed increases the pressure in cavity 18 whereby each indentation 160 will carry adhesive past the metering bar 30 in excess of the volumetric capacity of the indentation thus enabling the quantity of adhesive deposited to be varied slightly. The drive to the wheel 14 is arranged through a torque limiting mechanism so that if there is excessive build up of resistance to the rotation of wheel 14 due to drag of the adhesive the drive is automatically disconnected.
Patent GB-983797-A (GB)
Title: Improvements in floating covers for liquid storage tanks
Inventor: MARSHALL DAVID DOBIE
IPC: B65D88/34
Filed: 1962-12-04
Abstract: 983,797. Floating covers for tanks. GREEN & IRWELL RUBBER CO. Ltd., and NAYLER (PETROSEALS) Ltd. Dec. 2, 1963 [Dec. 4, 1962], No. 45766/62. Heading E1T. A floating cover for a liquid storage tank is constructed from units each composed of a sheet a of fibre glass supported on a buoyancy frame a<SP>1</SP> of rigid methane foam, the units being coated with a protective resin. The units are interconnected by bolts and sealing tapes c and are secured to aluminium or light metal members d mounted on light metal legs d<SP>1</SP> The cover is apertured for the passage of a dipping tube, anti-vibration wires, a weighted cable and like devices, see Fig. 1 (not shown).
Patent GB-1077693-A (GB)
Title: Preparation of 1-alkyl-5-nitroimidazole-2-carboxylic acids
IPC: C07D233/92
Filed: 1964-11-11
Abstract: 1 - C1- 5 Alkyl - 2 - carboxy - 5 - nitroimidazoles are prepared by treating a 1-C1- 5 alkyl-2-hydroxymethyl-5-nitroimidazole at a temperature of at least 60 DEG  C. with an acidic oxidizing agent in a sulphuric acid medium containing less than 25% by weight of water. Specified acidic oxidizing agents are nitric acid, chromic acid, manganese dioxide and dinitrogen tetroxide. Concentrated sulphuric acid is preferably employed as the solvent although fuming sulphuric acid may also be used.  1 - C1- 5 Alkyl - 2 - carboxamido - 5 - nitroimidazoles are prepared by reacting a 1-C1- 5-alkyl-2-carboxy-5 -nitroimidazole with sodium hydroxide to form the corresponding sodium salt, reacting this with oxalyl chloride to form a 1 - C1- 5 alkyl - 5 - nitroimidazole - 2 - carbonyl chloride, and reacting this with anhydrous ammonia.